Finding the Fourth Proportional to 1,469,679.57, 2,028,274.97 and 825,142.05
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Solution
The fourth proportional to 1,469,679.57, 2,028,274.97 and 825,142.05 is: 1,138,761.81
Step by Step Solution
- Step 1: Write the proportion equation
1,469,679.57 : 2,028,274.97 = 825,142.05 : x - Step 2: Convert to fraction form
1,469,679.57/2,028,274.97 = 825,142.05/x - Step 3: Cross multiply
1,469,679.57x = 2,028,274.97 × 825,142.05 - Step 4: Simplify right side
1,469,679.57x = 1,673,614,962,583.78 - Step 5: Solve for x
x = 1,673,614,962,583.78/1,469,679.57 - Step 6: Final answer
x = 1,138,761.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.